Arithmetic Operators in Javascript These are the operators which perform arithmetic operations in Javascript on the numbers. Here is a list of some arithmetic operators in Javascript, with their descriptions in brief — Operator Description + This operator is used for the addition operation – This operator is used for the subtraction operation * This […]
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Operators in JavaScript Operators are the symbols that are used to do some kind of operation on data. There are many different operators in JavaScript for doing different kinds of operations on some data. Following are some operators – Arithmetic Operators These are used for performing arithmetic operations(like addition, subtraction, multiplication, division, etc. ) Assignment
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Javascript Data Types If you are already familiar with data, the data is some kind of information. It can be anything, like a number, or someone’s name, email address, home address, company name, salary, etc. Now you have already understood that we use variables to store the data. Now it’s time to learn what are
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Javascript Identifiers From some of our previous experiences, we have seen that, whenever we are creating some variable, we give some name to it. But, it can be a thing to wonder, what names can I give, or what are the names allowed for the variables, or can I give any name? So, now we
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const keyword → A value that once set never changes When you create a variable using the const keyword, that variable is also block-scoped, but the thing is that this variable does not support reassignment, which means that once you assign some value to this variable, it cannot be changed. If you try to change
let keyword → for a variable with definite scope The thing about creating the variable with the var keyword is that the variable created with the var keyword has a global scope, or a function scope(global means that the variable can be used ANYWHERE in the program, and function scope means that the variable can
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var keyword → for a variable to be used anywhere in the program You can use the var keyword to create a variable. Well, when we use the var keyword to create a variable, it either has a global scope or a function scope. Well, when we are creating a variable outside any function(we are
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Variables in JavaScript Well, at times, we might need to store some kind of data in our program. For that, we are going to make use of variables. But wait, what do we mean by data? Well, data is some kind of information (and it can be anything like your name, number, age, etc). Variables
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Where to write JavaScript and run JavaScript programs? Well, this would be a very basic question that would come to someone’s mind, that it is ok that I am going to learn JavaScript now, but where am I going to write the JavaScript programs? And where am I going to see the outputs? Well, for
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Advantages of JavaScript Well, as it is stated earlier, JavaScript adds life to your web pages. So, this actually is self-explanatory as to why should you learn JavaScript. Most probably, in your journey to becoming a web developer, you would learn JavaScript as the programming language of the web. Also, once you learn JavaScript, you
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